why does a part of the glass glows in the discharge tube experiment? name the scientist who first performed the discharge tube experiment
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Cathode rays are streams of electrons observed
in vacuum tubes. If an evacuated glass tube is
equipped with two electrodes and a voltage is
applied, the glass opposite of the negative
electrode is observed to glow, due to electrons
emitted from and travelling perpendicular to the
cathode.William Crooks in 1879 first performed
this experiment.
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